storage: trace on lease acquisition success
storage: trace on lease acquisition success

There was previously an unpaired "request range lease" trace.

veteranlu/cockroach,petermattis/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,vaibhavarora/cockroach,petermattis/cockroach,cockroachdb/cockroach,maxlang/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,glycerine/cockroach,petermattis/cockroach,petermattis/cockroach,cockroachdb/cockroach,paperstreet/cockroach,paperstreet/cockroach,cockroachdb/cockroach,glycerine/cockroach,maxlang/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,paperstreet/cockroach,vaibhavarora/cockroach,maxlang/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,maxlang/cockroach,paperstreet/cockroach,glycerine/cockroach,cockroachdb/cockroach,glycerine/cockroach,petermattis/cockroach,cockroachdb/cockroach,veteranlu/cockroach,cockroachdb/cockroach,glycerine/cockroach,paperstreet/cockroach,paperstreet/cockroach,cockroachdb/cockroach,cockroachdb/cockroach,petermattis/cockroach,glycerine/cockroach,maxlang/cockroach,maxlang/cockroach,glycerine/cockroach,maxlang/cockroach,petermattis/cockroach,glycerine/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,veteranlu/cockroach,maxlang/cockroach,petermattis/cockroach,veteranlu/cockroach